1、Designation: D6917 03 (Reapproved 2011)Standard Guide forSelection of Test Methods for Prefabricated Vertical Drains(PVD)1This standard is issued under the fixed designation D6917; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, th
2、e year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This guide provides recommendations for the selectionof appropriate test methods for prefabricated vertical
3、geocom-posite drains (sometimes referred to as Wick Drains) used ingeotechnical engineering applications to provide consistency indata reporting.1.2 This guide includes test methods for all types ofprefabricated geocomposite drains manufactured in a plant andconsisting of a polymeric core structure
4、with a synthetic fabric(geotextile) jacket for filtration.1.3 This guide is intended to aid all personnel involved inthe selection, manufacture, installation, or evaluation of pre-fabricated vertical drains.1.4 This standard does not purport to address all of thesafety concerns, if any, associated w
5、ith its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D3786 Test Method for Bursting Strength of TextileFabricsDiaphrag
6、m Bursting Strength Tester MethodD4491 Test Methods for Water Permeability of Geotextilesby PermittivityD4533 Test Method for Trapezoid Tearing Strength ofGeotextilesD4632 Test Method for Grab Breaking Load and Elonga-tion of GeotextilesD4716 Test Method for Determining the (In-plane) FlowRate per U
7、nit Width and Hydraulic Transmissivity of aGeosynthetic Using a Constant HeadD4751 Test Method for Determining Apparent OpeningSize of a GeotextileD4884 Test Method for Strength of Sewn or ThermallyBonded Seams of GeotextilesD4886 Test Method for Abrasion Resistance of Geotextiles(Sand Paper/Sliding
8、 Block Method)D5101 Test Method for Measuring the Soil-Geotextile Sys-tem Clogging Potential by the Gradient RatioD5199 Test Method for Measuring the Nominal Thicknessof GeosyntheticsD5261 Test Method for Measuring Mass per Unit Area ofGeotextilesD5322 Practice for Laboratory Immersion Procedures fo
9、rEvaluating the Chemical Resistance of Geosynthetics toLiquidsD5493 Test Method for Permittivity of Geotextiles UnderLoadD5567 Test Method for Hydraulic Conductivity Ratio(HCR) Testing of Soil/Geotextile SystemsD5819 Guide for Selecting Test Methods for ExperimentalEvaluation of Geosynthetic Durabil
10、ityD6241 Test Method for the Static Puncture Strength ofGeotextiles and Geotextile-Related Products Using a50-mm ProbeD6364 Test Method for Determining Short-Term Compres-sion Behavior of GeosyntheticsD6389 Practice for Tests to Evaluate the Chemical Resis-tance of Geotextiles to Liquids3. Terminolo
11、gy3.1 Definitions:3.1.1 geocomposite, na product composed of two or morematerials, at least one of which is a geosynthetic.3.1.2 geosynthetic, na planar product manufactured frompolymeric material used with soil, rock, earth, or other geo-technical engineering related material as an integral part of
12、 amanmade project, structure, or system.3.1.3 geotechnical engineering, nthe engineering applica-tion of geotechnics.1This guide is under the jurisdiction ofASTM Committee D35 on Geosyntheticsand are the direct responsibility of Subcommittee D35.03 on Permeability andFiltration.Current edition appro
13、ved June 1, 2011. Published July 2011. Originally approvedin 2003. Last previous edition approved in 2007 as D691703(2007). DOI:10.1520/D6917-03R11.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandar
14、ds volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.1.4 geotechnics, nthe application of scientific methodsand engineering principles to the acquisi
15、tion, interpretation,and use of knowledge of materials of the earths crust to thesolution of engineering problems.3.1.5 geotextiles, nany permeable textile material used infoundation, soil, rock, earth, or any other geotechnical engi-neering related material, as an integral part of a manmadeproject,
16、 structure, or system.3.1.6 vertical strip drain, na geocomposite consisting of ageotextile cover and drainage core installed vertically into soilto provide drainage for accelerating consolidation of soils.3.1.6.1 DiscussionAlso known as band drain, wick drain,or prefabricated vertical drain (PVD).4
17、. Significance and Use4.1 To properly evaluate prefabricated vertical drains, testsmust be performed according to specific test methods andprocedures. Failure to follow this practice can result in data notrepresentative of the products characteristics and perfor-mance.5. Test Methods5.1 Recommended
18、test methods for prefabricated verticaldrains have been grouped into 2 categories and are listed intables as follows:5.1.1 Table 1Prefabricated Vertical Drains Index Proper-tiesCharacteristic ASTM StandardPVD (Geocomposite)Weight Test Method D5261Grab Test Method D4632Thickness Test Method D5199Disc
19、harge Capacity (Transmissivity) Test Method D4716Compression Test Method D6364Seam Strength Test Method D4884Geotextile (Filter)Permittivity Test Method D4491Permeability Test Method D4491Apparent Opening Size Test Method D4751Abrasion Test Method D4886Static Puncture Test Method D6241Trap Tear Test
20、 Method D4533Mullen Burst Test Method D37865.1.2 Table 2Prefabricated Vertical Drains PerformanceProperties.Characteristic ASTM StandardPVD (Geocomposite)Discharge Capacity (Transmissivity) Test Method D4716Chemical Resistance Practice D5322 / Practice D6389Durability Guide D5819Geotextile (Filter)P
21、ermittivity Under Load Test Method D5493Clogging Potential by Gradient Ratio Test Method D5101Hydraulic Conductivity Ratio Test Method D55676. Keywords6.1 geocomposite; geosynthetic; geotextile; permittivity;prefabricated vertical drain; transmissivityASTM International takes no position respecting
22、the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard
23、 is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International
24、Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This
25、 standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).D6917 03 (2011)2
